To ensure beans cook well, soak them overnight.
To make yoghurt drink (Dough) use sour yoghurt. To make sour yoghurt, keep yoghurt out of fridge overnight.
To have a spreadable butter for your sandwiches, keep the butter in room temperature for 1 Hour, or place it in the microwave oven for 15 to 20 seconds. Times vary depending on the amount of butter you need.